This is a MX shunt trip release for drawout Compact NS 630b to Compact NS 1600 devices. Its rated voltage is 200VDC to 250VDC or 200VAC to 250VAC 50/60Hz. It is an auxiliary used for emergency off or remote opening applications. This auxiliary opens the circuit breaker when the control voltage Un rises above 70% of its rated voltage Un. It complies with IEC 60947-2 standard. Compact NS 630b to Compact NS 1600 device can be equipped with 1 MX or 1 MN auxiliary.
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